projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f045f77b JC |
1 | /* |
| 2 | * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. | |
| 3 | * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. | |
| 4 | * Copyright 2009 Jonathan Corbet <corbet@lwn.net> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public | |
| 8 | * License as published by the Free Software Foundation; | |
| 9 | * either version 2, or (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even | |
| 13 | * the implied warranty of MERCHANTABILITY or FITNESS FOR | |
| 14 | * A PARTICULAR PURPOSE.See the GNU General Public License | |
| 15 | * for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with this program; if not, write to the Free Software | |
| 19 | * Foundation, Inc., | |
| 20 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 21 | */ | |
| 22 | ||
| 23 | #ifndef __VIA_CORE_H__ | |
| 24 | #define __VIA_CORE_H__ | |
| 24b4d82e JC |
25 | #include <linux/spinlock.h> |
| 26 | #include <linux/pci.h> | |
| 27 | ||
| f045f77b JC |
28 | /* |
| 29 | * A description of each known serial I2C/GPIO port. | |
| 30 | */ | |
| 31 | enum via_port_type { | |
| 32 | VIA_PORT_NONE = 0, | |
| 33 | VIA_PORT_I2C, | |
| 34 | VIA_PORT_GPIO, | |
| 35 | }; | |
| 36 | ||
| 37 | enum via_port_mode { | |
| 38 | VIA_MODE_OFF = 0, | |
| 39 | VIA_MODE_I2C, /* Used as I2C port */ | |
| 40 | VIA_MODE_GPIO, /* Two GPIO ports */ | |
| 41 | }; | |
| 42 | ||
| 43 | enum viafb_i2c_adap { | |
| 44 | VIA_PORT_26 = 0, | |
| 45 | VIA_PORT_31, | |
| 46 | VIA_PORT_25, | |
| 47 | VIA_PORT_2C, | |
| 48 | VIA_PORT_3D, | |
| 49 | }; | |
| 50 | #define VIAFB_NUM_PORTS 5 | |
| 51 | ||
| 52 | struct via_port_cfg { | |
| 53 | enum via_port_type type; | |
| 54 | enum via_port_mode mode; | |
| 24b4d82e JC |
55 | u16 io_port; |
| 56 | u8 ioport_index; | |
| f045f77b | 57 | }; |
| 24b4d82e JC |
58 | |
| 59 | /* | |
| 60 | * This is the global viafb "device" containing stuff needed by | |
| 61 | * all subdevs. | |
| 62 | */ | |
| 63 | struct viafb_dev { | |
| 64 | struct pci_dev *pdev; | |
| 65 | int chip_type; | |
| 7582eb9b | 66 | struct via_port_cfg *port_cfg; |
| 24b4d82e JC |
67 | /* |
| 68 | * Spinlock for access to device registers. Not yet | |
| 69 | * globally used. | |
| 70 | */ | |
| 71 | spinlock_t reg_lock; | |
| 72 | /* | |
| 73 | * The framebuffer MMIO region. Little, if anything, touches | |
| 74 | * this memory directly, and certainly nothing outside of the | |
| 75 | * framebuffer device itself. We *do* have to be able to allocate | |
| 76 | * chunks of this memory for other devices, though. | |
| 77 | */ | |
| 78 | unsigned long fbmem_start; | |
| 79 | long fbmem_len; | |
| 80 | void __iomem *fbmem; | |
| 81 | /* | |
| 82 | * The MMIO region for device registers. | |
| 83 | */ | |
| 84 | unsigned long engine_start; | |
| 85 | unsigned long engine_len; | |
| 86 | void __iomem *engine_mmio; | |
| 87 | ||
| 88 | }; | |
| 89 | ||
| f045f77b | 90 | #endif /* __VIA_CORE_H__ */ |